Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
In this community everyone is welcome to post links and discuss topics related to privacy.
[Matrix/Element]Dead
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As it is illegal to do encryption on Ham radio frequencies in some jurisdictions, namely the US and for less nefarious reasons than you would think, I don't think this exists for the general public.
You could build something with a p2p messenger on a WiFi mesh network, and there is Meshtastic for text communication over LoRaWan.
You're right. Even packet radio can't contain encrypted packets.
The reason:. The citizens own the bands. Can't block other citizens from the information.